Adtran 550 Guida Utente
ATLAS 550 System Manual
Section 2 Engineering Guidelines
61200305L2-1B
© 2004 ADTRAN, Inc.
27
1.
EQUIPMENT DIMENSIONS
The ATLAS 550 base unit dimensions are 17.08” W x 11.67” D x 3.47” H. The option modules fit inside
the base unit.
the base unit.
2.
POWER REQUIREMENTS
The ATLAS 550 has a maximum power consumption of 60 W and a maximum current draw of 2 A
(AC System) or 5 A (DC System) regardless of the configuration of option modules installed in the base
unit.
(AC System) or 5 A (DC System) regardless of the configuration of option modules installed in the base
unit.
3.
REVIEWING THE FRONT PANEL DESIGN
The front panel contains the Alarm Cut-off switch (
ACO
), the
CRAFT
port, and the status LEDs for the
system controller, the network modules, and the option modules. Figure 1 identifies the
ACO
switch, the
CRAFT
port, and the
LEDs.
Figure 1. ATLAS 550 Front Panel Layout
ACO Switch
Pressing the
ACO
switch deactivates (clears) the Alarm Relay, located on the back panel of the
ATLAS 550, after an alarm condition has occurred. If an alarm condition is corrected and then reoccurs,
the Alarm Relay re-energizes.
the Alarm Relay re-energizes.
CRAFT Port (DB-9, female)
Use the
CRAFT
port to configure the system via an EIA-232 connection. Table 1 on page 28 gives the
CRAFT
port pinout.
Network
Module LEDs
Option Module LEDs
Craft
Port
ACO
Switch
System Status
LEDs